CVE-2026-6476

SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser. The attack takes effect when pg_createsubscriber next runs. Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected. Versions before PostgreSQL 17 are unaffected.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.postgresql.org/support/security/CVE-2026-6476/	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:postgresql:postgresql::::::::
	cpe:2.3:a:postgresql:postgresql::::::::

History

No history.

Information

Published : 2026-05-14 14:16

Updated : 2026-06-17 11:00

NVD link : CVE-2026-6476

Mitre link : CVE-2026-6476

CVE.ORG link : CVE-2026-6476

JSON object : View

Products Affected

postgresql

postgresql

CWE

CWE-89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

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